////#define _CRT_SECURE_NO_WARNINGS 1
////#include<stdio.h>
////#include<stdlib.h>
////#include<assert.h>
////typedef int SLDataType;
////
////typedef struct SeqList
////{
////	SLDataType* a;
////	int size;
////	int capacity;
////}SL;
////
////void SeqListInit(SL* ps);
////void SeqListCheckcapacity(SL* ps);
////void SeqListPushBack(SL* ps, SLDataType x);
////void SeqListPopBack(SL* ps);
////void SeqListPrintf(SL* ps);
////void SeqListDestroy(SL* ps);
////void SeqListPushFront(SL* ps, SLDataType x);
////void SeqListPopFront(SL* ps);
////
////int SeqListFind(SL* ps, SLDataType x);
////void SeqListInsert(SL* ps, int pos, SLDataType x);
////void SeqListErase(SL* ps, int pos);